/*
* Copyright 2010 Competentum group
*
* Licensed under the GNU General Public License, Version 3.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
*      http://www.gnu.org/licenses/gpl.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.competentum.history
{
	import com.competentum.events.WorkloadEvent;
	
	import flash.events.Event;

	/**
	 * Holds one history command that can consist of a number of simple actions
	 * */
	public class HistoryItem
	{
		private var vector:Vector.<Event>;
		
		public function get length():int
		{
			return vector.length;
		}
		
		public function HistoryItem(source:Array)
		{
			vector = new Vector.<Event>();
			for (var i:int = 0; i < (source as Array).length; i ++ )
			{
				var event:Event = source[i] as Event;
				// always disable undoing undo commands
				(event as WorkloadEvent).undoAllowed = false;
				vector.push(event);
			}
		}

		public function getEventAt(index:int):Event
		{
			return vector[index];
		}
	}
}